HTTP协议积累

class CouchSimple {
    function CouchSimple($options) {
       foreach($options AS $key => $value) {
          $this->$key = $value;
       }
    } 
   
   function send($method, $url, $post_data = NULL) {
      $s = fsockopen($this->host, $this->port, $errno, $errstr); 
      if(!$s) {
         echo "$errno: $errstr\n"; 
         return false;
      } 

      $request = "$method $url HTTP/1.0\r\nHost: $this->host\r\n"; 

      if ($this->user) {
         $request .= "Authorization: Basic ".base64_encode("$this->user:$this->pass")."\r\n"; 
      }

      if($post_data) {
         $request .= "Content-Length: ".strlen($post_data)."\r\n\r\n"; 
         $request .= "$post_data\r\n";
      } 
      else {
         $request .= "\r\n";
      }

      fwrite($s, $request); 
      $response = ""; 

      while(!feof($s)) {
         $response .= fgets($s);
      }

      list($this->headers, $this->body) = explode("\r\n\r\n", $response); 
      return $this->body;
   }
}

请求头

HTTP请求的格式如下所示：

<request-line>
<headers>
<blank line>
[<request-body>]

请求方式：

GET

GET /reg.php HTTP/1.0 \r\n

Host:www.baidu.com\r\n

Authorization: Basic 

POST

PUT

HEADER

DELETE

TRACE

CONNECT

OPTIONS

响应头